How to Update SONY Xperia Z with Lollipop 5.0 – Easy Guide

We just saw recently on how SONY Xperia Z1 users can update their devices with the Lollipop 5.0 Android OS and now Xperia Z users too can make their devices taste the latest AOSP version of Lollipop 5.0 Android OS. Xperia Z android smartphone comes with awesome capabilities and to top it up, you can now increase the sweetness of its experience with the Lollipop Android OS. While there is good odd time of around 2 months and more for Official update to arrive for Xperia Z, till then you can make use of this AOSP based custom ROM which comes with goodness of pure Lollipop 5.0 experience.

So let’s check out on what is the detailed procedure which will help you update the device with this latest version of firmware.

Quick Pre Requisites:

Create a backup of all the data with the help of below mentioned steps and not manually. Don’t use KIES or any automated tools for backing up the data.

Extract the adb and fastboot files downloaded from above to place all the above downloaded files in the adb and fastboot folder in your computer.

Now, you need to boot your Xperia Z in the fastboot mode. Turn Off your device and Press the Volume Up button and connect the phone to the computer with original USB cable by holding the Volume Up button.

Upon successfully entering the device in the fastboot mode, the LED light will turn blue.

Navigate to the path where you have placed all the fastboot files earlier in the 1st step to press “Shift + Right Click” to select the “Open Command prompt window”.

In command prompt, you need to enter in the below mentioned commands;

fastboot flash boot boot.img

fastboot flash system system.img

fastboot flash userdata userdata.img

Once all the files are flashed, reboot the device using the below mentioned command;

Fastboot reboot

Please note that it will take around 4 -5 minutes for the firmware to get applied. Once applied, the device will take some time to get ready/ initialize the apps. Do let us know in the comments section just in case if you face any issues in the process of firmware update.